The Guest List

Guests arrive by boat at The Folly for Jules and Will's wedding. The winds rise and communications with the mainland fail, heightening the island's already taut atmosphere. The stage is set for secrets to surface as the storm traps everyone on the remote venue.

Olivia struggles with recent trauma, feeling depressed after being ghosted and humiliated by Steve. She also carries the burden of an abortion she endured alone, which haunts her during the wedding buildup. Her strained behavior foreshadows deeper tensions among the guests.

Flashbacks reveal the cruel 'Survival' game from Trevellyan, where the vulnerable Darcey was tormented. Johnno and Will share responsibility for Darcey's death, a truth they have avoided acknowledging. The guilt festers as the wedding draws nearer.

It is revealed that Will is actually Steve, who used a fake name with Olivia and then left her while pursuing Jules. He manipulates Olivia by blackmailing her to stay silent about their affair. The revelation reframes their relationship as a web of lies stretching across the group.

Hannah learns that Will was the man who dated Alice in university and leaked the intimate video that drove her to suicide. This tangles with the other guests' resentments and the anonymous notes targeting Jules. The disclosure reframes many grudges within the group.

Jules begins receiving threatening anonymous notes warning her not to marry Will. The notes build tension and suggest that more dark secrets lie beneath the surface of the wedding party. The notes foreshadow a deadly confrontation to come.

During the wedding reception the storm intensifies, cutting power and plunging The Folly into darkness. The guests scramble as accusations flare and tempers rise in the chaotic blackout. A scream pierces the night as the energy fails the island's guests.

When lights return, Will's body is found on the shoreline; he has been stabbed. Panic erupts as guests confront possible motives among themselves. The murder becomes the focal point for the island's buried grievances.

Aoife, the wedding planner, is revealed to be the killer. She is Darcey's sister and seeks closure after years of suffering. She lures the guests to the island under the guise of a discounted wedding and kills Will who showed no remorse for Darcey's death.

Johnno initially takes the blame for Darcey's death, overwhelmed by guilt and convinced he deserves punishment for the past. The others grapple with the idea that he acted as a scapegoat while the true culprit remains buried. Aoife's actions and the conspiracy behind the murder cast a long shadow over the group.

Jules and Olivia start to reconcile, finding renewed closeness after years of emotional distance. They confront the past and acknowledge their complicated history. The wedding and the storm force them to reexamine their relationship.

Charlie reveals he had an affair with Jules, leaving Hannah shaken about their future. The couple departs the island with their relationship in question. The revelation cements a shattering turning point for the group.